da7e/42-GNL
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

bonus 1try algo finish

Browse Source
This commit is contained in:
David Gailleton
2025-11-26 12:21:20 +01:00
parent a4c9a91209
commit 40888a30f8
7 changed files with 167 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
a.txt Normal file
View File

@@ -0,0 +1,3 @@
a
a
a

1
b.txt Normal file
View File

@@ -0,0 +1 @@
b

12
c.txt Normal file
View File

@@ -0,0 +1,12 @@
c
c
c
c
c
c
c
c
c
c
c

134
get_next_line_bonus.c
View File

@@ -6,44 +6,134 @@
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/11/24 15:55:25 by dgaillet #+# #+# */
/* Updated: 2025/11/24 17:22:10 by dgaillet ### ########lyon.fr */
/* Updated: 2025/11/26 12:20:50 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <unistd.h>
#include "get_next_line_bonus.h"
static char *get_lines(int fd, char *str)
static int del_before_nl(char buf[BUFFER_SIZE])
{
char buf[BUFFER_SIZE];
int res;
int nl_i;
int i;
char *temp;
res = read(fd, buf, BUFFER_SIZE);
while (res > 0)
nl_i = index_of_nl(buf, BUFFER_SIZE);
if (nl_i >= 0)
{
if (!str)
str = ft_strdup(buf);
else
str = ft_strjoin_new(str, buf, res);
if (!str)
return (NULL);
temp = ft_substr(buf, nl_i + 1, BUFFER_SIZE - nl_i);
if (!temp)
return (-1);
ft_bzero(buf, BUFFER_SIZE);
res = read(fd, buf, BUFFER_SIZE);
}
if (res < 0)
i = 0;
while (temp[i])
{
if (str)
free(str);
return (NULL);
buf[i] = temp[i];
i++;
}
free(temp);
}
return (1);
}
static char *extract_all_nl(char buf[BUFFER_SIZE], int fd, char *str, int nl_i)
{
int temp;
str = ft_substr(buf, 0, BUFFER_SIZE);
if (!str)
return (NULL);
while (nl_i < 0)
{
str = ft_strjoin_new(str, buf, temp);
ft_bzero(buf, BUFFER_SIZE);
temp = read(fd, buf, BUFFER_SIZE);
if (temp < 0)
return (free(str), NULL);
if ((!str || ft_strlen(str) == 0) && temp == 0)
return (free(str), NULL);
if (temp == 0)
return (str);
nl_i = index_of_nl(buf, temp);
}
str = ft_strjoin_new(str, buf, nl_i);
temp = del_before_nl(buf);
if (temp < 0)
return (free(str), NULL);
return (str);
}
static char *ft_gnl_extra(char buf[BUFFER_SIZE], int fd)
{
int nl_i;
int temp;
char *str;
nl_i = index_of_nl(buf, BUFFER_SIZE);
if (nl_i >= 0)
{
str = ft_substr(buf, 0, nl_i);
temp = del_before_nl(buf);
if (temp < 0)
return (free(str), NULL);
}
else
str = extract_all_nl(buf, fd, "", nl_i);
return (str);
}
char *get_next_line(int fd)
{
static char *strs[1024];
if (!strs[fd])
strs[fd] = get_lines(fd, strs[fd]);
static char strs[1024][BUFFER_SIZE];
char *to_return;
to_return = ft_gnl_extra(strs[fd], fd);
return (to_return);
}
/*
#include <stdio.h>
#include <fcntl.h>
int main(void)
{
char *str;
int fd1;
int fd2;
int fd3;
fd1 = open("a.txt", O_RDONLY);
fd2 = open("b.txt", O_RDONLY);
fd3 = open("c.txt", O_RDONLY);
str = get_next_line(fd1);
printf("%s\n", str);
free(str);
str = get_next_line(fd2);
printf("%s\n", str);
free(str);
str = get_next_line(fd3);
printf("%s\n", str);
free(str);
str = get_next_line(fd1);
printf("%s\n", str);
free(str);
str = get_next_line(fd2);
printf("%s\n", str);
free(str);
str = get_next_line(fd3);
printf("%s\n", str);
free(str);
str = get_next_line(fd1);
printf("%s\n", str);
free(str);
str = get_next_line(fd2);
printf("%s\n", str);
free(str);
str = get_next_line(fd3);
printf("%s\n", str);
free(str);
str = get_next_line(fd1);
printf("%s\n", str);
free(str);
}
*/

5
get_next_line_bonus.h
View File

@@ -6,7 +6,7 @@
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/11/24 15:56:45 by dgaillet #+# #+# */
/* Updated: 2025/11/24 17:22:18 by dgaillet ### ########lyon.fr */
/* Updated: 2025/11/25 15:52:05 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
@@ -23,7 +23,8 @@ char *get_next_line(int fd);
size_t ft_strlen(const char *s);
char *ft_strjoin_new(char const *s1, char const *s2, size_t limit);
char *ft_strdup(const char *s);
void ft_bzero(void *s, size_t n);
int index_of_nl(char *str, int limit);
char *ft_substr(char const *s, unsigned int start, size_t len);
#endif

4
get_next_line_utils.c
View File

@@ -6,7 +6,7 @@
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/11/21 17:21:38 by dgaillet #+# #+# */
/* Updated: 2025/11/24 14:01:01 by dgaillet ### ########lyon.fr */
/* Updated: 2025/11/25 12:55:35 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
@@ -17,6 +17,8 @@ int index_of_nl(char *str, int limit)
{
int i;
if (!str)
return (-1);
i = 0;
while (i < limit && str[i])
{

44
get_next_line_utils_bonus.c
View File

@@ -6,12 +6,28 @@
/* By: dgaillet <dgaillet@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/11/24 16:04:39 by dgaillet #+# #+# */
/* Updated: 2025/11/24 16:12:37 by dgaillet ### ########lyon.fr */
/* Updated: 2025/11/25 15:51:31 by dgaillet ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <stdlib.h>
int index_of_nl(char *str, int limit)
{
int i;
if (!str)
return (-1);
i = 0;
while (i < limit && str[i])
{
if (str[i] == '\n')
return (i);
i++;
}
return (-1);
}
size_t ft_strlen(const char *s)
{
size_t i;
@@ -48,22 +64,30 @@ char *ft_strjoin_new(char const *s1, char const *s2, size_t limit)
return (str);
}
char *ft_strdup(const char *s)
char *ft_substr(char const *s, unsigned int start, size_t len)
{
char *dest;
int i;
size_t i;
char *sub_str;
size_t s_len;
dest = malloc(sizeof(char) *(ft_strlen(s) + 1));
if (!dest)
if (!s)
return (NULL);
s_len = ft_strlen(s);
if (start > s_len)
len = 0;
else if (s_len < (start + len))
len = s_len - start;
sub_str = malloc(sizeof(char) * (len + 1));
if (!sub_str)
return (NULL);
i = 0;
while (s[i])
while (i < len)
{
dest[i] = s[i];
sub_str[i] = s[start + i];
i++;
}
dest[i] = '\0';
return (dest);
sub_str[i] = '\0';
return (sub_str);
}
void ft_bzero(void *s, size_t n)